/*
 * Copyright (c) 2013 Martin Sucha
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup http
 * @{
 */
/**
 * @file
 */

#ifndef HTTP_CTYPE_H_
#define HTTP_CTYPE_H_

static inline bool is_separator(char c)
{
	switch (c) {
	case '(':
	case ')':
	case '<':
	case '>':
	case '@':
	case ',':
	case ';':
	case ':':
	case '\\':
	case '"':
	case '/':
	case '[':
	case ']':
	case '?':
	case '=':
	case '{':
	case '}':
	case ' ':
	case '\t':
		return true;
	default:
		return false;
	}
}

static inline bool is_lws(char c)
{
	switch (c) {
	case '\r':
	case '\n':
	case ' ':
	case '\t':
		return true;
	default:
		return false;
	}
}

static inline bool is_ctl(char c)
{
	return c < 32 || c == 127;
}

static inline bool is_token(char c)
{
	return !is_separator(c) && !is_ctl(c);
}

#endif

/** @}
 */
